Clients of female sex workers in Nyanza province, Kenya: a core group in STD/HIV transmission.

Background: Commercial sex plays an important role in the spread of HIV and AIDS in Africa, especially in beginning epidemics.

Goal: The goal was to study the sociodemographic characteristics and sexual risk behavior of clients of female sex workers (FSWs) in Nyanza province, Kenya.

Study Design: In the town of Kisumu and the rural districts Siaya and Bondo, male clients of FSWs were identified in bars, nightclubs, and lodges.